Worry About Hearts Over Stamina (Beginner Tip)

 In the start of the game, hearts are more important than stamina. When you are still a beginner, you probably have not mastered combat yet so it is easy to lose hearts while fighting. You won't be needing so much stamina in the beginning. Later on in the game, when you have mastered combat, you can switch your some of your hearts to stamina bit by bit with the horned statue at Firly Pond.